/**
 * @file ex2.18.cpp
 * @author zhangteng (xzitzt@163.com)
 * @brief 
 * @version 0.1
 * @date 2022-10-17
 * 
 * @copyright
 * Copyright (c) [2022] [zhangteng]
 * [cpp_primer_exercises] is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 * 
 */

#include <iostream>

int main()
{
    int x = 0, y = 255;
    int *p1 = &x, *p2 = &y;

    // 修改指针的值
    p1 = &y;

    // 修改指针所指对象的值
    *p2 = x;

    return 0;
}